Apr 23 (Sat) - Earth Day at Discovery Green

Apr 23 (Sat) - Earth Day at Discovery Green: "10am-4pm - This third annual Earth Day event is a FREE oneday eco celebration focusing on the merits of mindful, sustainable living while educating and encouraging Houstonians to preserve, conserve and enhance our city and the Earth. Developed by Air Alliance Houston, Earth Day Houston is a collaboration with the City of Houston and various green nonprofit agencies."